Model description
The model is a sum of three Gaussian peaks (elastic, breathing, bond-buckling), a DHO, and a linear function:
Individual Components
1. Elastic Peak (First Gaussian)
where $\sigma_1 = \frac{\text{FWHM}_1}{2\sqrt{2\ln(2)}}$
2. Breathing Mode (Second Gaussian)
where $\sigma_2 = \frac{\text{FWHM}_2}{2\sqrt{2\ln(2)}}$
3. Magnon Peak (DHO)
where $\gamma = \frac{\text{FWHM}_3}{2}$
4. Bond-buckling Mode (Fourth Gaussian)
where $\sigma_4 = \frac{\text{FWHM}_4}{2\sqrt{2\ln(2)}}$
5. Linear Background